Mold drawing device of molding machine

Abstract

The utility model relates to the technical field of molding machines, in particular to a mold drawing device of a molding machine, which comprises a base, one end, far away from a first motor, of a first rotating column is fixedly connected with a turntable, the outer surface of a connecting column is movably connected with a movable column, and the movable column is in sliding connection with the inside of a limiting column; a spring is movably connected into the limiting column, a fixed column is fixedly connected to the top of the movable column, a vibration block is slidably connected to the top of the base, a lower mold is fixedly connected to the top of the base, and an upper mold is movably connected into the lower mold. According to the device, the movable column, the spring and the vibration block are arranged, so that the service life of the device is prolonged, the use cost is reduced, an upper die is more favorably pulled up after two times of vibration and striking, and damage to a forming part of the die is further reduced; the first chain wheel, the second chain wheel, the first lead screw, the second lead screw and the chain are arranged, so that the production efficiency is improved. And the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molding machines, in particular to a mold-removing device for a molding machine. Background Art

[0002] The molding machine is a casting equipment that uses air pressure or hydraulic pressure to apply pressure to the sand in the sand box through a pressure head or pattern to compact the sand so that it can be used to make sand molds. The molding machine fills loose molding sand into the sand box and compacts the molding sand. The loose molding sand in the sand box is compacted by different methods such as vibration, compaction, vibration pressure, and shot pressure, so that the sand mold has the necessary strength during the process of transportation and pouring, and then different mechanisms are used to remove the pattern from the compacted sand mold to achieve the purpose of making sand molds.

[0003] The existing demoulding device of the molding machine uses a cylinder to directly pull up the upper mold during demoulding. Since the upper mold is tightly fitted with the sand mold inside the lower mold, direct pulling can easily cause damage to the mold forming part. If casting is performed in this way, it is easy to affect the product quality of the molded product. Therefore, a molding machine demoulding device is needed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a mold-removing device for a molding machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a molding machine demolding device comprises a base, the inner bottom of the base is fixedly connected to the first motor, the output end of the first motor is fixedly connected to the first rotating column, the end of the first rotating column away from the first motor is fixedly connected to the turntable, the front end surface of the turntable is eccentrically connected to the connecting column, the outer surface of the connecting column is movably connected to the movable column, the inner top of the base is fixedly connected to the limiting column, the movable column is slidably connected to the inside of the limiting column, the inner movably connected to the spring, the top of the movable column is fixedly connected to the fixed column, and the spring is sleeved on the outside of the fixed column, the top of the base is slidably connected to a vibration block, and the bottom of the vibration block is fitted with the top of the spring, the top of the base is fixedly connected to the lower mold, the bottom of the lower mold is fitted with the top of the vibration block, and the lower mold is movably connected to the upper mold.

[0006] Further: a support frame is fixedly connected to the side surface of the base, and a fixing plate is fixedly connected to the top of the support frame.

[0007] Furthermore: a second motor is fixedly connected to the top of the fixed plate, a second rotating column is fixedly connected to the output end of the second motor, and the second rotating column passes through the fixed plate.

[0008] Further: the circumferential surface of the second rotating column is fixedly connected with the first sprocket and the second sprocket, the bottom of the fixed plate is rotatably connected with the first screw rod and the second screw rod, the outer surface of the first screw rod is fixedly connected with the first sprocket, and the outer surface of the second screw rod is fixedly connected with the second sprocket.

[0009] Furthermore: the number of the first sprocket and the number of the second sprocket are both two, the two first sprockets are movably connected by a chain, and the two second sprockets are also movably connected by a chain.

[0010] Furthermore: a convex block is arranged on the side end surface of the upper mold, and the ends of the first screw rod and the second screw rod away from the fixed plate are both connected to the internal threads of the convex block.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, by setting a movable column, a spring and a vibration block, when in use, the first motor is turned on, and the turntable is driven to rotate by the first rotating column, so that the turntable drives the connecting column to continuously push the movable column to slide up and down inside the limiting column, so that the movable column performs a preliminary push on the vibration block through the spring, and when the movable column rises to a certain height, the fixed column is used to perform a second slight strike on the vibration block, which is beneficial to extend the service life of the device, thereby reducing the cost of use, and after two vibration strikes, it is more conducive to pulling up the upper mold, thereby reducing damage to the molding part of the mold.

[0013] 2. Compared with the prior art, by setting the first sprocket, the second sprocket, the first screw rod, the second screw rod and the chain, the second motor is used to drive the first sprocket and the second sprocket to rotate synchronously, and then the chain drives the first screw rod and the second screw rod to rotate synchronously, so that the upper mold moves up and down, and the trajectory of the movement of the upper mold can be limited, which is beneficial to improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 It is a schematic diagram of a partial structure of the utility model from a first perspective;

[0018] Figure 5 It is a schematic diagram of a partial structure of the utility model from a second viewing angle.

[0019] Legend:

[0020] 1. Base; 2. First motor; 3. First rotating column; 4. Turntable; 5. Connecting column; 6. Movable column; 7. Limiting column; 8. Spring; 9. Fixed column; 10. Vibrating block; 11. Lower mold; 12. Upper mold; 13. Support frame; 14. Fixed plate; 15. Second motor; 16. Second rotating column; 17. First sprocket; 18. Second sprocket; 19. First screw rod; 20. Second screw rod; 21. Chain. DETAILED DESCRIPTION

[0021] Reference Figure 1-5 The utility model provides a molding machine demoulding device: it comprises a base 1, the inner bottom of the base 1 is fixedly connected with a first motor 2, the output end of the first motor 2 is fixedly connected with a first rotating column 3, the end of the first rotating column 3 away from the first motor 2 is fixedly connected with a turntable 4, the front end surface of the turntable 4 is eccentrically connected with a connecting column 5, the outer surface of the connecting column 5 is movably connected with a movable column 6, the movable column 6 is T-shaped, and a slide groove is provided inside the bottom end of the movable column 6, so that the connecting column 5 can slide inside it, the inner top of the base 1 is fixedly connected with a limiting column 7, the movable column 6 is slidably connected with the inside of the limiting column 7, the inner movably connected with a spring 8, the top of the movable column 6 is fixedly connected with a fixed column 9, and the spring 8 is sleeved on the outside of the fixed column 9, the top of the base 1 is slidably connected with a vibration block 10, and the bottom of the vibration block 10 is fitted with the top of the spring 8, the top of the base 1 is fixedly connected with a lower mold 11, the bottom of the lower mold 11 is fitted with the top of the vibration block 10, and the lower mold 11 is movably connected with an upper mold 12. When in use, the first motor 2 is turned on, and the turntable 4 is driven to rotate through the first rotating column 3, so that the turntable 4 drives the connecting column 5 to continuously push the movable column 6 to slide up and down inside the limiting column 7, so that the movable column 6 performs a preliminary push on the vibration block 10 through the spring 8, and when the movable column 6 rises to a certain height, the fixed column 9 is used to perform a second slight strike on the vibration block 10, which is beneficial to extend the service life of the device, thereby reducing the cost of use, and after two vibration strikes, it is more conducive to pulling up the upper mold 12, thereby reducing damage to the molding part of the mold.

[0022] A support frame 13 is fixedly connected to the side surface of the base 1 , and a fixing plate 14 is fixedly connected to the top of the support frame 13 .

[0023] A second motor 15 is fixedly connected to the top of the fixing plate 14 , a second rotating column 16 is fixedly connected to the output end of the second motor 15 , and the second rotating column 16 passes through the fixing plate 14 .

[0024] The circumferential surface of the second rotating column 16 is fixedly connected with the first sprocket 17 and the second sprocket 18, the bottom of the fixed plate 14 is rotatably connected with the first screw rod 19 and the second screw rod 20, the outer surface of the first screw rod 19 is fixedly connected with the first sprocket 17, and the outer surface of the second screw rod 20 is fixedly connected with the second sprocket 18. The first sprocket 17 and the second sprocket 18 are both located below the fixed plate 14.

[0025] There are two first sprockets 17 and two second sprockets 18, and the two first sprockets 17 are movably connected by a chain 21, and the two second sprockets 18 are also movably connected by a chain 21. Two chains 21 are provided, one is sleeved on the two first sprockets 17, and the other is sleeved on the two second sprockets 18.

[0026] The side end surface of the upper mold 12 is provided with a protrusion, and the ends of the first screw rod 19 and the second screw rod 20 away from the fixed plate 14 are both connected to the internal threads of the protrusion. The second motor 15 drives the first sprocket 17 and the second sprocket 18 to rotate synchronously, and then the chain 21 drives the first screw rod 19 and the second screw rod 20 to rotate synchronously, so that the upper mold 12 moves up and down, and the trajectory of the movement of the upper mold 12 can be limited, which is conducive to improving the practicality of the device.

[0027] Working principle: When in use, turn on the first motor 2, and drive the turntable 4 to rotate through the first rotating column 3, so that the turntable 4 drives the connecting column 5 to continuously push the movable column 6 to slide up and down inside the limiting column 7, so that the movable column 6 initially pushes the vibration block 10 through the spring 8, and when the movable column 6 rises to a certain height, the fixed column 9 is used to perform a second slight strike on the vibration block 10, which is beneficial to extend the service life of the device, thereby reducing the cost of use, and after two vibration strikes, it is more conducive to pulling up the upper mold 12, thereby reducing damage to the molding part of the mold.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mold-cutting device for a molding machine, comprising a base (1), characterized in that: The inner bottom of the base (1) is fixedly connected to a first motor (2), the output end of the first motor (2) is fixedly connected to a first rotating column (3), the end of the first rotating column (3) away from the first motor (2) is fixedly connected to a turntable (4), the front end surface of the turntable (4) is eccentrically connected to a connecting column (5), the outer surface of the connecting column (5) is movably connected to a movable column (6), the inner top of the base (1) is fixedly connected to a limiting column (7), the movable column (6) is slidably connected to the inside of the limiting column (7), and the limiting The column (7) is movably connected to a spring (8) inside, the top of the movable column (6) is fixedly connected to a fixed column (9), and the spring (8) is sleeved on the outside of the fixed column (9), the top of the base (1) is slidably connected to a vibration block (10), and the bottom of the vibration block (10) fits with the top of the spring (8), the top of the base (1) is fixedly connected to a lower mold (11), the bottom of the lower mold (11) fits with the top of the vibration block (10), and the lower mold (11) is movably connected to an upper mold (12) inside.

2. A molding machine demoulding device according to claim 1, characterized in that: A support frame (13) is fixedly connected to the side surface of the base (1), and a fixing plate (14) is fixedly connected to the top of the support frame (13).

3. A mold-cutting device for a molding machine according to claim 2, characterized in that: A second motor (15) is fixedly connected to the top of the fixed plate (14), a second rotating column (16) is fixedly connected to the output end of the second motor (15), and the second rotating column (16) passes through the fixed plate (14).

4. A mold-cutting device for a molding machine according to claim 3, characterized in that: The circumferential surface of the second rotating column (16) is fixedly connected to the first sprocket (17) and the second sprocket (18); the bottom of the fixed plate (14) is rotatably connected to the first screw rod (19) and the second screw rod (20); the outer surface of the first screw rod (19) is fixedly connected to the first sprocket (17); and the outer surface of the second screw rod (20) is fixedly connected to the second sprocket (18).

5. A mold-cutting device for a molding machine according to claim 4, characterized in that: The number of the first sprocket (17) and the number of the second sprocket (18) are both two, the two first sprockets (17) are movably connected via a chain (21), and the two second sprockets (18) are also movably connected via a chain (21).

6. A mold-cutting device for a molding machine according to claim 5, characterized in that: A convex block is arranged on the side end surface of the upper mold (12), and the ends of the first screw rod (19) and the second screw rod (20) away from the fixing plate (14) are both connected to the internal threads of the convex block.

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